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Appearance. Crash bar doors in a school, with upper vertical rod latches. A crash bar (also known as a panicexit device, panic bar, or bump bar) [1] [2] is a type of door opening mechanism which allows users to open a door by pushing a bar. While originally conceived as a way to prevent crowd crushing in an emergency, crash bars are now used as ...
Panic doors, panic hardware Fire safety appliance permitting locked doors (typically self-closing) to be opened from the inside when pressed with sufficient force, thus permitting a person to open the door without having to turn a knob or lever. PASS device, personal alert safety system An alarm device that signals that a firefighter is in trouble.
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Revolving door. A revolving door typically consists of three or four doors that hang on a central shaft and rotate around a vertical axis within a cylindrical enclosure. To use a revolving door, a person enters the enclosure between two of the doors and then moves continuously to the desired exit while keeping pace with the doors.
Door furniture ( British and Australian English) or door hardware ( North American English) refers to any of the items that are attached to a door or a drawer to enhance its functionality or appearance. Decorative door in Florence, Italy. Manual door closer. Use of a door handle in a hotel. Design of door furniture is an issue to disabled ...
Dysregulation. Valence. Emotions. v. t. e. Panic is a sudden sensation of fear, which is so strong as to dominate or prevent reason and logical thinking, replacing it with overwhelming feelings of anxiety, uncertainty and frantic agitation consistent with a fight-or-flight reaction. Panic may occur singularly in individuals or manifest suddenly ...
A technology consisting of computer components and recording media used to retain digital data. It is a core function and fundamental component of computers. [1] device memory. local memory associated with a hardware device such as a graphics processing unit or OpenCL compute device, distinct from main memory.
Hardening (computing) In computer security, hardening is usually the process of securing a system by reducing its surface of vulnerability, which is larger when a system performs more functions; in principle a single-function system is more secure than a multipurpose one. Reducing available ways of attack typically includes changing default ...
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